
#if !defined(INCLUDED_GTKUTIL_CLOSURE_H)
#define INCLUDED_GTKUTIL_CLOSURE_H

#include <glib-object.h>
#include "generic/callback.h"

inline void closure_destroy(gpointer data, GClosure* closure)
{
  delete reinterpret_cast<Callback*>(data);
}

inline GClosure* create_cclosure(GCallback func, const Callback& callback)
{
  return g_cclosure_new(func, new Callback(callback), closure_destroy);
}

inline GValue GValue_default()
{
  GValue value;
  value.g_type = 0;
  return value;
}

inline gint object_get_int_property(GObject* object, const char* property)
{
  GValue gvalue = GValue_default();
  g_value_init(&gvalue, G_TYPE_INT);
  g_object_get_property(object, property, &gvalue);
  return g_value_get_int(&gvalue);
}

inline void object_set_int_property(GObject* object, const char* property, gint value)
{
  GValue gvalue = GValue_default();
  g_value_init(&gvalue, G_TYPE_INT);
  g_value_set_int(&gvalue, value);
  g_object_set_property(object, property, &gvalue);
}

inline gboolean object_get_boolean_property(GObject* object, const char* property)
{
  GValue gvalue = GValue_default();
  g_value_init(&gvalue, G_TYPE_BOOLEAN);
  g_object_get_property(object, property, &gvalue);
  return g_value_get_boolean(&gvalue);
}

inline void object_set_boolean_property(GObject* object, const char* property, gboolean value)
{
  GValue gvalue = GValue_default();
  g_value_init(&gvalue, G_TYPE_BOOLEAN);
  g_value_set_boolean(&gvalue, value);
  g_object_set_property(object, property, &gvalue);
}

#endif
